CN110847504A - Steel bar connecting piece truss and application pouring structure thereof - Google Patents
Steel bar connecting piece truss and application pouring structure thereof Download PDFInfo
- Publication number
- CN110847504A CN110847504A CN201911332987.6A CN201911332987A CN110847504A CN 110847504 A CN110847504 A CN 110847504A CN 201911332987 A CN201911332987 A CN 201911332987A CN 110847504 A CN110847504 A CN 110847504A
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- connecting piece
- steel bar
- truss
- reinforcing
- piece
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 67
- 239000010959 steel Substances 0.000 title claims abstract description 67
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 23
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 22
- 239000004567 concrete Substances 0.000 claims description 9
- 238000009415 formwork Methods 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 abstract description 3
- 238000005452 bending Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/64—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0604—Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods
- E04C5/0609—Closed cages composed of two or more coacting cage parts, e.g. transversally hinged or nested parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses a steel bar connecting piece truss and an application pouring structure thereof, comprising steel bars which are arranged in parallel relatively and a plurality of connecting pieces which are fixedly arranged between the opposite steel bars and are arranged at equal intervals; the relative reinforcing bar lies in the same one side of connection piece or lies in the both sides of connection piece respectively, the connection piece both ends are equipped with connecting portion respectively or are equipped with buckle portion respectively, and the connecting portion that lies in the connection piece both ends is the syntropy to buckle the symmetry and set up or reverse buckle the symmetry and set up, be equipped with the bayonet socket that the opening of V style of calligraphy is outwards in the buckle portion. The invention realizes the cast-in-place shear wall or the reinforcing steel bar shaping product for other building engineering which is easy to use on site.
Description
Technical Field
The invention belongs to the technical field of constructional engineering, and particularly relates to a steel bar connecting piece truss and an application pouring structure thereof.
Background
In the field of existing buildings, with the improvement of the living quality of residents and urbanization, more and more high-rise residences are pulled out of the ground, and in order to meet the requirement of seismic fortification, shear walls, short-support shear walls and cast-in-place floors are widely applied.
In the existing construction process of the shear wall or floor slab steel bars, longitudinal steel bars and horizontal steel bars are bound on the site manually, then the tie bars are made manually and then bound manually to form a steel reinforcement cage framework, then a wood mold or a steel mold is selected to form a concrete cavity to be poured, and finally concrete is poured to form the shear wall or floor slab. In practical application, the reinforced concrete shear wall has the following defects: 1. the manufacturing amount of the on-site steel bars is large; 2. the standard reinforcing steel bar is 9 meters long, the cut tailing is more, and the loss is large; 3. the field assembly is labor-consuming, and the binding amount is large; 4. the quality is difficult to control and the supervision difficulty is high due to different skills of workers; 5. the distance between the steel bars of the shear wall is at 200mm generally, and the two sides of the shear wall are not provided with anti-cracking nets, so that the poured shear wall is easy to crack slightly due to other steel bars; 6. the distance between the tension hooping of the shear wall is @600, the tension hooping is arranged in a quincunx shape, and the constraint force of the hooping on the reinforcing steel bars on the two sides is limited when the wall is damaged by stress, so that the earthquake-resistant and pressure-resistant losses are easy to occur.
In view of the defects of the prior manual steel bar binding of the shear wall in practical application, a steel bar shaping product for the cast-in-place shear wall, which can overcome the defects and is easy to use on site, is needed.
Disclosure of Invention
The invention aims to solve the technical problems and provides a steel bar connecting piece truss and an application pouring structure thereof, so that a cast-in-place shear wall or a steel bar shaping product for other building engineering which is easy to use on site is realized. In order to achieve the purpose, the technical scheme of the invention is as follows:
the steel bar connecting piece truss comprises steel bars which are arranged in parallel relatively and a plurality of connecting pieces which are fixedly arranged between the opposite steel bars and are arranged at equal intervals; the relative reinforcing bar lies in the same one side of connection piece or lies in the both sides of connection piece respectively, the connection piece both ends are equipped with connecting portion respectively or are equipped with buckle portion respectively, and the connecting portion that lies in the connection piece both ends is the syntropy to buckle the symmetry and set up or reverse buckle the symmetry and set up, be equipped with the bayonet socket that the opening of V style of calligraphy is outwards in the buckle portion.
Specifically, the opposite reinforcing steel bars are positioned on the same side of the connecting sheet, the connecting portions positioned at the end portions of the connecting sheet are symmetrically arranged in the same direction, the connecting sheet is of a long straight plate structure, the end portions of the connecting sheet are vertically connected with the connecting portions, and the reinforcing steel bars are positioned on the connecting sheet on the back side or the connecting sheet on the front side of the connecting portion.
Specifically, the opposite reinforcing steel bars are respectively positioned at two sides of the connecting sheet, the connecting portions positioned at the end portions of the connecting sheet are arranged in a reverse symmetrical mode, the connecting sheet is of a Z-shaped plate structure, the end portions of the connecting sheet are perpendicularly connected with the connecting portions, and the reinforcing steel bars are positioned on the connecting sheet on the front side or the connecting sheet on the back side of the connecting portions.
Specifically, the relative reinforcing bar is located the same side of connection piece, the bilateral symmetry of buckle portion is equipped with outside convex part.
Specifically, the clamping part is provided with clamping hook structures facing the opening at two ends of the opening of the bayonet.
An application pouring structure of a steel bar connecting sheet truss comprises a plurality of steel bar connecting sheet trusses arranged at intervals vertically according to claims 1 to 5, a plurality of transverse frame groups arranged at intervals transversely and erected on connecting sheets at a plurality of corresponding horizontal positions, a plurality of stirrups used for tightly binding the transverse frame groups are arranged between a pair of transverse frame groups, templates which are arranged at two sides of each steel bar connecting sheet truss and are attached and fixed at the positions of connecting parts or buckling parts are attached, and concrete pouring forming is carried out in the opposite templates.
Specifically, the cross frame set is erected at the upper side position or the lower side position of the connecting sheet.
Specifically, the stirrup comprises a U-shaped hoop body and hoop pieces detachably locking and connecting two ends of the hoop body.
Specifically, the template includes the plate body, locates the muscle position of a plurality of V types of horizontal setting on the plate body.
Specifically, each V-shaped rib position is embedded in the corresponding bayonet of the fastening part and is clamped and positioned by the clamping hook structure or fixed on the connecting part by the shooting nail.
Compared with the prior art, the steel bar connecting piece truss has the following beneficial effects:
the cost performance is higher, the materials are saved, the transportation is convenient, the assembly is simpler, the on-site steel bar cutting and bending manufacturing amount is reduced, the on-site steel bar assembly and binding workload is reduced, the constraint force among the steel bars is improved, the crack resistance of two sides of the wall body is increased, and the purposes of saving labor and time, reducing cost and improving the quality of concrete parts are achieved.
Drawings
FIG. 1 is a schematic structural view of example 1 of the present invention;
FIG. 2 is a schematic structural view of example 2;
FIG. 3 is a schematic structural view of embodiment 3;
FIG. 4 is a schematic structural view of example 4;
FIG. 5 is a schematic structural view of example 5;
FIG. 6 is a schematic structural view of example 6;
FIG. 7 is a schematic structural view of examples 7 to 8;
FIG. 8 is a schematic view showing the structure of a stirrup in examples 7 to 8;
FIG. 9 is a schematic view of the structure of the fastening portion connecting template in the embodiment 7-8;
FIG. 10 is a schematic view showing the structure of a connecting form of the connecting portion according to embodiment 7-8;
the figures in the drawings represent:
the steel bar connecting structure comprises a steel bar 1, a connecting piece 2, a connecting part 3, a buckling part 4, a bayonet 41, a hook 42 structure, a convex part 43, a steel bar connecting piece truss 5, a cross frame group 6, a stirrup 7, a hoop body 71, a hoop member 72, a template 8, a plate body 81, a rib position 82 and a shooting nail 9.
Detailed Description
The technical solutions in the embodiments of the present invention are described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Example 1:
referring to fig. 1, the steel bar connecting piece truss comprises steel bars 1 which are arranged in parallel relatively, and a plurality of connecting pieces 2 which are fixedly arranged between the opposite steel bars 1 and are spaced at equal intervals; relative reinforcing bar 1 is located same one side of connection piece 2, and connection piece 2 both ends are equipped with connecting portion 3 respectively, and the connecting portion 3 syntropy that is located the 2 tip of connection piece is buckled the symmetry and is set up.
The connecting sheet 2 is a strip-shaped straight plate structure, and the end part of the connecting sheet 2 is vertically connected with the connecting part 3. The reinforcing bar 1 is positioned on the connecting piece 2 at the back of the connecting part 3.
Example 2:
referring to fig. 2, the steel bar connecting piece truss comprises steel bars 1 which are arranged in parallel relatively, and a plurality of connecting pieces 2 which are fixedly arranged between the opposite steel bars 1 and are spaced at equal intervals; relative reinforcing bar 1 is located same one side of connection piece 2, and connection piece 2 both ends are equipped with connecting portion 3 respectively, and the connecting portion 3 syntropy that is located the 2 tip of connection piece is buckled the symmetry and is set up.
The connecting sheet 2 is a strip-shaped straight plate structure, and the end part of the connecting sheet 2 is vertically connected with the connecting part 3. The reinforcing bar 1 is positioned on the connecting piece 2 at the front of the connecting part 3.
Example 3:
referring to fig. 3, the steel bar connecting piece truss comprises steel bars 1 which are arranged in parallel relatively, and a plurality of connecting pieces 2 which are fixedly arranged between the opposite steel bars 1 and are spaced at equal intervals; the opposite reinforcing bars 1 are respectively positioned at both sides of the connecting piece 2. Connecting portions 3 are arranged at two ends of the connecting piece 2 respectively, and the connecting portions 3 at the end portions of the connecting piece 2 are arranged symmetrically in a reverse bending mode.
The connecting piece 2 is a Z-shaped plate-shaped structure, and the end part of the connecting piece 2 is vertically connected with the connecting part 3. The reinforcing bar 1 is positioned on the connecting piece 2 at the front of the connecting part 3. The opposite reinforcing steel bars 1 are respectively positioned at the highest end and the lowest end of the Z shape of the connecting piece 2.
Example 4:
referring to fig. 4, the steel bar connecting piece truss comprises steel bars 1 which are arranged in parallel relatively, and a plurality of connecting pieces 2 which are fixedly arranged between the opposite steel bars 1 and are spaced at equal intervals; the opposite reinforcing bars 1 are respectively positioned at both sides of the connecting piece 2. Connecting portions 3 are arranged at two ends of the connecting piece 2 respectively, and the connecting portions at the end portions of the connecting piece 2 are arranged symmetrically in a reverse bending mode.
The connecting piece 2 is a Z-shaped plate-shaped structure, and the end part of the connecting piece 2 is vertically connected with the connecting part 3. The reinforcing bar 1 is positioned on the connecting piece 2 at the back of the connecting part 3. The opposite reinforcing steel bars 1 are respectively positioned at the highest end and the lowest end of the Z shape of the connecting piece 2.
Example 5:
referring to fig. 5, the steel bar connecting piece truss comprises steel bars 1 which are arranged in parallel relatively, and a plurality of connecting pieces 2 which are fixedly arranged between the opposite steel bars 1 and are spaced at equal intervals; relative reinforcing bar 1 is located same one side of connection piece 2, and connection piece 2 both ends are equipped with buckle portion 4 respectively.
The connecting sheet 2 is a strip-shaped straight plate structure, a V-shaped bayonet 41 with an outward opening is arranged in the buckling part 4, and a hook structure 42 with an outward opening is arranged at two ends of the opening of the bayonet 41 of the buckling part 4.
Example 6:
referring to fig. 6, in example 5, outward protrusions 43 are symmetrically provided on both sides of the locking portion 4.
Example 7:
referring to fig. 1-10, on the basis of embodiments 1-2 or on the basis of embodiments 3-4, an application pouring structure of a steel bar connecting piece truss comprises a plurality of steel bar connecting piece trusses 5 arranged at vertical intervals, a plurality of transverse frame groups 6 arranged at transverse intervals and erected on connecting pieces 2 at a plurality of corresponding horizontal positions, a plurality of stirrups 7 used for tightly binding the transverse frame groups 6 are arranged between a pair of transverse frame groups 6, formworks 8 arranged at two sides of each steel bar connecting piece truss 5 and attached and fixed to connecting portions 3, and concrete pouring molding is performed in the opposite formworks 8.
The cross frame group 6 is mounted on the upper side or the lower side of the connecting sheet 3. Two reinforcing bars in the transverse frame group 6 are respectively arranged at the two ends of the connecting piece 2 and are respectively positioned at the outer sides of the two reinforcing bars 1 in the reinforcing bar connecting piece truss 5.
The cross frame group 6 is a pair of horizontal steel bars or hoop beam steel bars which are horizontally arranged.
The stirrup 7 comprises a U-shaped stirrup body 71 and stirrup members 72 for detachably locking and connecting the two ends of the stirrup body 71.
The template 8 comprises a plate body 81 and a plurality of V-shaped rib positions 82 arranged on the plate body 81 in the transverse direction, wherein each V-shaped rib position 82 is fixed on the connecting part 3 through a shooting nail 9.
Example 8:
referring to fig. 1 to 10, on the basis of embodiments 5 to 6, an application pouring structure of a steel bar connecting piece truss includes a plurality of steel bar connecting piece trusses 5 arranged at vertical intervals, a plurality of transverse frame groups 6 arranged at transverse intervals and erected on connecting pieces 2 at a plurality of corresponding horizontal positions, a plurality of stirrups 7 for tightly binding the transverse frame groups 6 are arranged between a pair of transverse frame groups 6, formworks 8 arranged at two sides of each steel bar connecting piece truss 5 and attached to and fixed to connecting portions 3, and concrete pouring molding is performed in the opposite formworks 8.
The cross frame group 6 is mounted on the upper side or the lower side of the connecting sheet 2. Two reinforcing bars in the transverse frame group 6 are respectively arranged at the two ends of the connecting piece 2 and are respectively positioned at the outer sides of the two reinforcing bars 1 in the reinforcing bar connecting piece truss 5.
The stirrup 7 comprises a U-shaped stirrup body 71 and stirrup members 72 for detachably locking and connecting the two ends of the stirrup body 71.
The template 8 comprises a plate body 81 and a plurality of V-shaped rib positions 82 arranged on the plate body 81 in the transverse direction, wherein each V-shaped rib position 82 is embedded in the corresponding bayonet 41 of the buckling part 4 and is clamped and positioned by the hook structure 42. The hook structure 42 penetrates the plate 81.
When the embodiment is applied, the reinforcing steel bar is straightened, the connecting piece 2 and the reinforcing steel bar 1 are welded and fixed, and the cutting treatment is carried out through the cutting size.
In the embodiment, the connecting pieces of the tension stirrups in the traditional shear wall reinforcing steel bars are replaced to play a role in connection and fixation, so that the combination stress of the reinforcing steel bars and the connecting pieces is more reasonable and optimized; the traditional manual binding method is replaced by the welding structure of the steel bars and the connecting sheets, so that time and labor are saved; the truss structure has high tensile strength, accurate structure spacing and stable and reliable quality; the loss of the steel bars built on site is reduced, and the splicing efficiency is higher; the truss structure enables the lateral pressure resistance of the steel bar to be strong, and the safety of the concrete part is improved; the integral structure has higher cost performance, more material saving, convenient transportation and simpler assembly, reduces the on-site cutting and bending manufacturing amount of the reinforcing steel bars, reduces the workload of assembling and binding the reinforcing steel bars on the site, improves the constraint force among the reinforcing steel bars, increases the crack resistance of two sides of the wall body, and achieves the purposes of saving labor and time, reducing cost and improving the quality of concrete parts.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (10)
1. Steel bar connection piece truss, its characterized in that: comprises reinforcing steel bars arranged in parallel relatively, and a plurality of connecting sheets fixedly arranged between the opposing reinforcing steel bars at equal intervals; the relative reinforcing bar lies in the same one side of connection piece or lies in the both sides of connection piece respectively, the connection piece both ends are equipped with connecting portion respectively or are equipped with buckle portion respectively, and the connecting portion that lies in the connection piece both ends is the syntropy to buckle the symmetry and set up or reverse buckle the symmetry and set up, be equipped with the bayonet socket that the opening of V style of calligraphy is outwards in the buckle portion.
2. A reinforcing bar link truss according to claim 1 wherein: the connecting piece is of a strip straight plate structure, the end part of the connecting piece is vertically connected with the connecting part, and the reinforcing steel bar is positioned on the connecting piece on the back side or the connecting piece on the front side of the connecting part.
3. A reinforcing bar link truss according to claim 1 wherein: the opposite reinforcing steel bars are respectively positioned at two sides of the connecting piece, the connecting parts positioned at the end parts of the connecting pieces are arranged in a reverse symmetrical mode, the connecting pieces are of Z-shaped plate structures, the end parts of the connecting pieces are vertically connected with the connecting parts, and the reinforcing steel bars are positioned on the connecting pieces on the front side or the connecting pieces on the back side of the connecting parts.
4. A reinforcing bar link truss according to claim 1 wherein: the opposite reinforcing steel bars are positioned on the same side of the connecting sheet, and outward convex parts are symmetrically arranged on two sides of the buckling part.
5. A reinforcing bar link truss according to claim 4 wherein: the clamping part is provided with clamping hook structures facing the opening at two ends of the opening of the bayonet.
6. Structure is pour in application of steel bar connection piece truss, its characterized in that: the steel bar connecting piece truss structure comprises a plurality of steel bar connecting piece trusses according to claims 1-5 which are vertically arranged at intervals, a plurality of transverse frame groups which are arranged on the plurality of steel bar connecting piece trusses at intervals, a plurality of stirrups which are used for tightly binding the transverse frame groups are arranged between a pair of transverse frame groups, formworks which are arranged on two sides of each steel bar connecting piece truss and are attached and fixed at the positions of connecting parts or buckling parts are attached, and concrete pouring molding is carried out in opposite formworks.
7. The application pouring structure of the steel bar connecting piece truss is characterized in that: the transverse frame set is erected at the upper side position or the lower side position of the connecting piece.
8. The application pouring structure of the steel bar connecting piece truss is characterized in that: the stirrup comprises a U-shaped stirrup body and stirrup pieces detachably locking and connecting two ends of the stirrup body.
9. The application pouring structure of the steel bar connecting piece truss is characterized in that: the template comprises a plate body and a plurality of V-shaped rib positions arranged on the plate body in the transverse direction.
10. The application pouring structure of the steel bar connecting piece truss is characterized in that: each V-shaped rib position is clamped and embedded in the corresponding clamping opening of the clamping part and clamped and positioned through the clamping hook structure or fixed on the connecting part through the shooting nail.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911332987.6A CN110847504A (en) | 2019-12-23 | 2019-12-23 | Steel bar connecting piece truss and application pouring structure thereof |
| PCT/CN2020/138255 WO2021129601A1 (en) | 2019-12-23 | 2020-12-22 | Reinforcing steel bar connecting sheet truss and pouring structure applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911332987.6A CN110847504A (en) | 2019-12-23 | 2019-12-23 | Steel bar connecting piece truss and application pouring structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110847504A true CN110847504A (en) | 2020-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911332987.6A Pending CN110847504A (en) | 2019-12-23 | 2019-12-23 | Steel bar connecting piece truss and application pouring structure thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110847504A (en) |
| WO (1) | WO2021129601A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021129601A1 (en) * | 2019-12-23 | 2021-07-01 | 阿博建材（昆山）有限公司 | Reinforcing steel bar connecting sheet truss and pouring structure applying same |
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| WO2021129601A1 (en) * | 2019-12-23 | 2021-07-01 | 阿博建材（昆山）有限公司 | Reinforcing steel bar connecting sheet truss and pouring structure applying same |
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| WO2021129601A1 (en) | 2021-07-01 |
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